setup program, then immediately exit the program (see your Service Manual at support.dell.com). If the message reappears, contact Dell (see "Contacting Dell" on page 65).
TI M E - O F - D A Y C L O C K S T O P P E D — The reserve battery that supports the system configuration settings may require recharging. Connect your computer to an electrical outlet to charge the battery. If the problem persists, contact Dell (see "Contacting Dell" on page 65).
TI M E - O F - D A Y N O T S E T - P L E A S E R U N T H E S YS T E M S E T U P P R O G R A M — The time
or date stored in the system setup program does not match the system clock. Correct the settings for the Date and Time options. See your Service Manual at support.dell.com for more information.
TI M E R C H I P C O U N T E R 2 F A I L E D — A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see "Dell Diagnostics" on page 40).
U N E X P E C T E D I N T E R R U P T I N P R O T E C T E D M O D E — The keyboard controller may
be malfunctioning, or a memory module may be loose. Run the System Memory tests and the Keyboard Controller test in the Dell Diagnostics (see "Dell Diagnostics" on page 40).
X :\ I S N O T A C C E S S I B L E . T H E D E V I C E I S N O T R E A D Y — Insert a disk into the
drive and try again.
WA R N I N G : BA T T E R Y I S C R I T I C A L L Y L O W — The battery is running out of
charge. Replace the battery, or connect the computer to an electrical outlet; otherwise, activate hibernate mode or shut down the computer.
System Messages
NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running when the message appeared.
A L E R T ! P R E V I O U S A T T E M P T S A T B O O T I N G T H I S S YS T E M H A V E F A I L E D A T
C H E C K P O I N T [N N N N ] . F O R H E L P I N R E S O L V I N G T H I S P R O B L E M , P L E A S E N O T E T H I S C H E C K P O I N T A N D C O N T A C T D E L L TE C H N I C A L S U P P O R T — The computer failed
to complete the start routine three consecutive times for the same error (see "Contacting Dell" on page 65 for assistance).
CMOS C H E C K S U M E R R O R — Possible system board failure or RTC battery low. Replace the battery. See your Service Manual at support.dell.com or see "Contacting Dell" on page 65 for assistance.
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